SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/dad-jump-frozen-battery

When should you NOT attempt to jump-start a car?

When the dead battery is frozen.

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  1. When it is cloudy
  2. When the dead battery is frozen ✔
  3. When the dead car's radio is on

Why: Kia's manual says not to jump-start if the discharged battery is frozen or its electrolyte level is low. Call for roadside help instead.

Huh, didn't know that: Kia's manual says to let the booster vehicle run at 2,000 rpm for several minutes.

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References

Answer: When the dead battery is frozen. Kia's manual says not to jump-start if the discharged battery is frozen or its electrolyte level is low. Call for roadside help instead.

  1. Kia Owner's Manual: Jump Starting ownersmanual.kia.com/full_webhelp/SG2/2025/en_RG/topics/chapter8_4_2.html
    Do not attempt to jump start the vehicle if the discharged battery is frozen or if the electrolyte level is low
    Checked 2026-10-10.

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